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Q. What is compound?
A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they are in a mixture. In its place they are combined in a way such that the compound has properties that are different from those of the elements of which it is composed. Every compound is represented by a formula a combination of the symbols of the elements that make up the compounds. You may already recognize some chemical formulas such as H2O for water, NaCl for table salt and NH3 for ammonia.
Q. Show the chemical properties of Uranium? Uranium is mainly extracted from pitchblende. The concentrated ore (pitchblende, U 3 O 8 ) is washed and then fused with sodium nitr
Q. Briefly explain about Alloys? Ans. Pure metals are malleable. Metals that are harder, stronger and less malleable are sometimes required. These characteristics may be a
Conclusion for chemicals used in medicines
Saponification value - Analysis of oils and fats It is quantify of fatty acids denote as esters in oils and fats. It is described as the number of milligrams of KOH needed to s
Melting and freezing points: When a pure solid substance is heated through its melting point (melting temperature), the solid changes to a liquid. At the melting point equilibr
Name the principal ore of tin or lead. Describe the different steps (along with equationsfor the reactions) involved in the extraction of the metal from the ore named. Name
For the dissociation equilibrium of formic acid, HCO 2 H(aq) ↔ H + (aq) + HCO 2 - (aq), the acid dissociation constant at 298.15K has the value K a = 1.77 *10 -4 . (a) Find t
Atomic emission spectrometry: In atomic emission spectrometry (AES), a reproducible and representative amount of the sample is introduced into an atomization-excitation source
What Is The Benefits Of Alkenes?
Q. Show Anomalous Behaviour of Oxygen? Oxygen differs considerably from the rest of the family members. Small size, very high electronegativity and non-availability of d-orbita
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